339345-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339345-78-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,3,4 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 339345-78:
(8*3)+(7*3)+(6*9)+(5*3)+(4*4)+(3*5)+(2*7)+(1*8)=167
167 % 10 = 7
So 339345-78-7 is a valid CAS Registry Number.